157620053 has 8 divisors (see below), whose sum is σ = 159495000. Its totient is φ = 155750400.

The previous prime is 157620041. The next prime is 157620059. The reversal of 157620053 is 350026751.

157620053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 418609 + 157201444 = 647^2 + 12538^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 157620053 - 2⁸ = 157619797 is a prime.

It is a super-2 number, since 2×157620053² = 49688162215445618, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 157619998 and 157620025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157620059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120503 + ... + 121803.

It is an arithmetic number, because the mean of its divisors is an integer number (19936875).

Almost surely, 2^157620053 is an apocalyptic number.

It is an amenable number.

157620053 is a deficient number, since it is larger than the sum of its proper divisors (1874947).

157620053 is a wasteful number, since it uses less digits than its factorization.

157620053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2647.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 157620053 is about 12554.6825129113. The cubic root of 157620053 is about 540.1783281628.

The spelling of 157620053 in words is "one hundred fifty-seven million, six hundred twenty thousand, fifty-three".