553155240 has 64 divisors (see below), whose sum is σ = 1810330560. Its totient is φ = 134097920.

The previous prime is 553155233. The next prime is 553155247. The reversal of 553155240 is 42551355.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (553155233) and next prime (553155247).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 553155198 and 553155207.

It is not an unprimeable number, because it can be changed into a prime (553155247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208209 + ... + 210848.

It is an arithmetic number, because the mean of its divisors is an integer number (28286415).

Almost surely, 2^553155240 is an apocalyptic number.

It is an amenable number.

553155240 is an abundant number, since it is smaller than the sum of its proper divisors (1257175320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

553155240 is a wasteful number, since it uses less digits than its factorization.

553155240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419082 (or 419078 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 553155240 is about 23519.2525391433. The cubic root of 553155240 is about 820.8850448038.

The spelling of 553155240 in words is "five hundred fifty-three million, one hundred fifty-five thousand, two hundred forty".