533509955 has 32 divisors (see below), whose sum is σ = 753960960. Its totient is φ = 358314880.

The previous prime is 533509943. The next prime is 533509967. The reversal of 533509955 is 559905335.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (533509943) and next prime (533509967).

It is not a de Polignac number, because 533509955 - 2⁶ = 533509891 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29414 + ... + 43956.

It is an arithmetic number, because the mean of its divisors is an integer number (23561280).

Almost surely, 2^533509955 is an apocalyptic number.

533509955 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

533509955 is a deficient number, since it is larger than the sum of its proper divisors (220451005).

533509955 is a wasteful number, since it uses less digits than its factorization.

533509955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14611.

The product of its (nonzero) digits is 455625, while the sum is 44.

The square root of 533509955 is about 23097.8344223003. The cubic root of 533509955 is about 811.0497769173.

The spelling of 533509955 in words is "five hundred thirty-three million, five hundred nine thousand, nine hundred fifty-five".