1550977152 has 64 divisors (see below), whose sum is σ = 4131040800. Its totient is φ = 515579904.

The previous prime is 1550977121. The next prime is 1550977157. The reversal of 1550977152 is 2517790551.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×1550977152² = 4811060252052062208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1550977157) 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, 140208 + ... + 150864.

Almost surely, 2^1550977152 is an apocalyptic number.

1550977152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1550977152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2065520400).

1550977152 is an abundant number, since it is smaller than the sum of its proper divisors (2580063648).

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

1550977152 is a wasteful number, since it uses less digits than its factorization.

1550977152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11053 (or 11041 counting only the distinct ones).

The product of its (nonzero) digits is 110250, while the sum is 42.

The square root of 1550977152 is about 39382.4472576299. The cubic root of 1550977152 is about 1157.5376702968.

The spelling of 1550977152 in words is "one billion, five hundred fifty million, nine hundred seventy-seven thousand, one hundred fifty-two".