1557076954 has 16 divisors (see below), whose sum is σ = 2580527808. Its totient is φ = 700883392.

The previous prime is 1557076951. The next prime is 1557076979. The reversal of 1557076954 is 4596707551.

It is a junction number, because it is equal to n+sod(n) for n = 1557076898 and 1557076907.

It is not an unprimeable number, because it can be changed into a prime (1557076951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 994792 + ... + 996355.

It is an arithmetic number, because the mean of its divisors is an integer number (161282988).

Almost surely, 2^1557076954 is an apocalyptic number.

1557076954 is a deficient number, since it is larger than the sum of its proper divisors (1023450854).

1557076954 is a wasteful number, since it uses less digits than its factorization.

1557076954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1991189.

The product of its (nonzero) digits is 1323000, while the sum is 49.

The square root of 1557076954 is about 39459.8144192291. The cubic root of 1557076954 is about 1159.0531696074.

The spelling of 1557076954 in words is "one billion, five hundred fifty-seven million, seventy-six thousand, nine hundred fifty-four".